tender for a. servicing & overhauling of ingersoll rand make three stage air cooled reciprocating type air compressor (model 15t2x) at khara power house. b. procurement, commissioning and hydro testing of atlas copco or equivalent standard make air receiver tank with capacity 1.6 m3 - 2.0 m3 designed for 46.2 kg/cm2 working pressure and 1.5 times hydro testing pressure along with standard accessories such as pressure gauge, drain valve, safety valve including transportation to khara power house. c. replacement of existing air compressor supply & distributing pipeline system with new air compressor supply & distributing pipeline system upto pressure accumulator tank of opu of each machine, brake panel of each machine, air sealing receive pipe and provision of pneumatic points at different locations with all accessories as per existing schema at khara power house..